Arm assembly



FIG. 1 is a perspective view of an arm assembly embodying the present invention;

FIG. 2 is a front view of the arm assembly;

FIG. 3 is a first side view of the arm assembly;

FIG. 4 is a second side view of the arm assembly;

FIG. 5 is a rear view of the arm assembly;

FIG. 6 is a top view of the arm assembly; and,

FIG. 7 is a bottom view of the arm assembly. 

CLAIM We claim the ornamental design for the arm assembly, as shown and described. 